Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) (-) Enzyme-Linked Immunosorbent Assay (ELISA) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (5) Sample Type (-) Blood (1) Serum or Plasma (1) Test Area Therapeutics (1) Test Category Analgesics (1) Test Sub-Category Barbiturates (1) Benzodiazepines (1) (-) Opiates/Opioids (1) Your search has returned no tests.